The gorgeous image shows a concentrated area of light at the center, which then branches off in different directions to smaller clusters of light. While many people guessed that the city was Paris or Moscow, it turned out to be much closer home for Indians.

The French astronaut, on a six-month mission as part of crew member at the International Space Station, is part of the European Space Agency. With some quick help from Twitter users and his own independent research, Pesquet confirmed that the city was New Delhi.